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A Pennsylvania coin fancier sent in three different hub doubled die varieties on the reverse of the 2007-P Wyoming state quarter to the National Collectors Association of Die Doubling. Here is another oddity to watch for, and perhaps hold onto for future investment return.

All three of the doubled die pieces involve the lower portion of the saddle horn, where a secondary image of that design element can be seen to the south to a greater or lesser degree.

These double dies, like most all others of the 21st century, are restricted to the very center of the design and believed to be the result of a tilted die that was seated into proper position by the pressure of the hubbing process.

Tilted Hub Doubling restricted to such a small area of design within the center region of the die might also be possible due to the hub being backed off after the blank being reset into the hubbing press properly and hubbed again.